Rumors have been swirling around Capitol Hill this week that Trump is looking to dispose of Sessions and Robert Mueller, the special counsel appointed to investigate Russia’s election interference, and any potential links between the Kremlin and the Trump campaign.

It was no time to pour salt into fresh wounds. “It was America’s mayors who led the effort to enroll millions of Americans in the Affordable health-care plan, and Tampa will continue to work with local and state partners to promote and provide information on ways to...